M.Tech. Structural Engineering 2nd Semester Syllabus

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EARTHQUAKE RESISTANT STRUCTURES
Subject Code : 14CSE22

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

The objectives of this course is to make students to learn principles of engineering seismology, To design the reinforced concrete buildings for earthquake resistance. To evaluate the seismic response of the structures.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of engineering seismology
· Design and develop analytical skills.
· Summarize the Seismic evaluation and retrofitting of structures.
· Understand the concepts of earthquake resistance of reinforced concrete buildings.

1. Introduction to engineering seismology, Geological and tectonic features of India, Origin and propagation of seismic waves, characteristics of earthquake and its quantification – Magnitude and Intensity scales, seismic instruments.

Earthquake Hazards in India, Earthquake Risk Evaluation and Mitigation. Structural behavior under gravity and seismic loads, Lateral load
resisting structural systems, Requirements of efficient earthquake resistant structural system, damping devises, base isolation
systems.

2. The Response history and strong motion characteristics. Response Spectrum – elastic and inelastic response spectra, tripartite
(D-V-A) response spectrum, use of response spectrum in earthquake resistant design.Computation of seismic forces in multistoreyed buildings – using procedures (Equivalent lateral force and dynamic analysis) as per IS-1893.

3. Structural Configuration for earthquake resistant design, Concept of plan irregularities and vertical irregularities, Soft storey, Torsion in buildings. Design provisions for these in IS-1893. Effect of infill masonry walls on frames, modeling concepts of infill masonry walls. Behaviour of masonry buildings during earthquakes, failure patterns, strength of masonry in shear and flexure, Slenderness concept of masonry walls, concepts for earthquake resistant masonry buildings – codal provisions.

4. Design of Reinforced concrete buildings for earthquake resistance-Load combinations, Ductility and energy absorption in buildings. confinement of concrete for ductility, design of columns and beams for ductility, ductile detailing provisions as per IS-1893. Structural behavior, design and ductile detailing of shear walls.

5. Seismic response control concepts – Seismic demand, seismic capacity, Overview of linear and nonlinear procedures of seismic analysis. Performance Based Seismic Engineering methodology, Seismic evaluation and retrofitting of structures.

Books for Reference:
1. Dynamics of Structures – Theory and Application to Earthquake Engineering- 2nd ed. – Anil K. Chopra, Pearson Education.
2. Earthquake Resistant Design of Building Structures, Vinod Hosur, WILEY (india)
3. Earthquake Resistant Design of Structures, Duggal, Oxford University Press
4. Earthquake resistant design of structures – Pankaj Agarwal, Manish Shrikande – PHI India
5. IS – 1893 (Part I): 2002, IS – 13920: 1993, IS – 4326: 1993, IS-13828: 1993
6. Design of Earthquake Resistant Buildings, Minoru Wakabayashi, McGraw Hill Pub.
7. Seismic Design of Reinforced Concrete and Masonry Buildings, T Paulay and M J N Priestley, John Wiley and Sons

FINITE ELEMENT METHOD OF ANALYSIS
Subject Code : 14CSE23

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

The objectives of this course is to make students to learn principles of Analysis of Stress and Strain, To apply the Finite Element Method for the analysis of one and two dimensional problems. To evaluate the stress and strain parameters and their inter relations of the continuum.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of stress-strain behaviour of continuum
· Design and develop analytical skills.
· Describe the state of stress in a continuum
· Understand the concepts of elasticity and plasticity.

1. Basic concepts of elasticity – Kinematic and Static variables for various types of structural problems – approximate method of structural analysis – Rayleigh – Ritz method – Finite difference method – Finite element method. Variation method and minimization of Energy approach of element formulation.Principles of finite element method – advantages & disadvantages – Finite element procedure. Finite elements used for one, two & three dimensional problems – Element aspect ratio – mesh refinement vs. higher order elements – Numbering of nodes to minimize band width.

2. Nodal displacement parameters – Convergence criterion – Compatibility requirements – Geometric invariance – Shape function – Polynomial form of displacement function. Generalized and Natural coordinates – Lagrangian interpolation function – shape functions for one, two & three dimensional elements.

3. Isoparametric elements – Internal nodes and higher order elements – Serendipity and Lagrangian family of Finite Elements – Sub parametric and Super parametric elements – Condensation of internal nodes – Jacobian transformation Matrix.
Development of strain – displacement matrix and stiffness matrix, consistent load vector, numerical integration.

4. Application of Finite Element Method for the analysis of one & two dimensional problems – Analysis of simple beams and plane trusses – Application to plane stress / strain / axisymmetric problems using CST & Quadrilateral Elements.

5. Application to Plates & Shells- Choice of displacement function (C 0 , C 1 and C 2 type) – Techniques for Non – linear Analysis.

REFERENCE BOOKS:
1. Krishnamoorthy C S, “Finite Element Analysis”- Tata McGraw Hill
2. Desai C and Abel J F, “Introduction to the Finite Element Method”- East West Press Pvt. Ltd., 1972
3. Bathe K J, “Finite Element Procedures in Engineering Analysis”- Prentice Hall
4. Rajasekaran. S, “Finite Element Analysis in Engineering Design”-Wheeler Publishing
5. Cook R D, Malkan D S & Plesta M.E, “Concepts and Application of Finite Element Analysis” – 3rd Edition, John Wiley and Sons Inc., 1989
6. Shames I H and Dym C J, “Energy and Finite Element Methods in Structural Mechanics”- McGraw Hill, New York, 1985

DESIGN CONCEPTS OF SUBSTRUCTURES
Subject Code : 14CSE24

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

The objectives of this course is to make students to learn principles of subsoil exploration, To design the sub structures. To evaluate the soil shear strength parameters.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of subsoil exploration
· Design and develop analytical skills.
· Identify and evaluate the soil shear strength parameters .
· Understand the concepts of Settlement analysis.

1. Introduction, Site investigation, In-situ testing of soils, Subsoil exploration, Classification of foundations systems.General requirement of foundations, Selection of foundations, Computations of Loads, Design concepts.

2. Concept of soil shear strength parameters, Settlement analysis of footings, Shallow foundations in clay, Shallow foundation in sand & C-Ф soils, Footings on layered soils and sloping ground, Design for Eccentric or Moment Loads.

3. Types of rafts, bearing capacity & settlements of raft foundation, Rigid methods, Flexible methods, soil-structure interaction, different methods of modeling the soil. Combined footings (rectangular & trapezoidal), strap footings & wall footings, Raft – super structure interaction effects & general concepts of structural design, Basement slabs.

4. Deep Foundations: Load Transfer in Deep Foundations, Types of Deep Foundations, Ultimate bearing capacity of different types of piles in different soil conditions, Laterally loaded piles, tension piles & batter piles, Pile groups: Bearing capacity,
settlement, uplift capacity, load distribution between piles, Proportioning and design concepts of piles.

5. Types of caissons, Analysis of well foundations, Design principles, Well construction and sinking. Foundations for tower structures: Introduction, Forces on tower foundations, Selection of foundation type, Stability and design considerations, Ring
foundations – general concepts.

IMPORTANT NOTE:
Only design principles of all type footings as per relevant BIS codes are to be covered, design of RC elements need not be covered

REFERENCE BOOKS:
1. Swami Saran – “Analysis & Design of Substructures”- Oxford & IBH Pub. Co. Pvt. Ltd., 1998.
2. Nainan P Kurian – “Design of Foundation Systems”- Narosa Publishing House, 1992.
3. R.B. Peck, W.E. Hanson & T.H. Thornburn – “Foundation Engineering”- Wiley Eastern Ltd.,Second Edition, 1984.
4. J.E. Bowles – “Foundation Analysis and Design”- McGraw-Hill Int. Editions, Fifth Ed., 1996.
5. W.C. Teng – “Foundation Design”- Prentice Hall of India Pvt. Ltd., 1983.
6. Bureau of Indian Standards:IS-1498, IS-1892, IS-1904, IS-6403, IS-8009, IS-2950, IS-11089, IS-11233, IS-2911 and all other relevant codes.

DESIGN OF PLATES AND SHELLS
Subject Code : 14CSE21

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

The objectives of this course is to make students to learn different methods of analysis and design of plates and shells, To
critically detail the plates, folded plates and shells. To evaluate the performance of spatial structures.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of Analysis and Design
· Design and develop analytical skills.
· Summarize the performance of shells
· Understand the concepts of energy principle..

1. Introduction to plate theory, Small deflection of laterally loaded thin rectangular plates for pure bending. Navier’s and Levy’s solution for various lateral loading and boundary conditions (No derivation), Numerical examples.

2. Energy methods for rectangular and circular plates with clamped edges subjected to symmetric loadings.

3. Introduction to curved surfaces and classification of shells, Membrane theory of spherical shells, cylindrical shells, hyperbolic paraboloids, elliptic paraboloid and conoids

4. Axially symmetric bending of shells of revolution, Closed cylindrical shells, water tanks, spherical shells and Geckler’s approximation. Bending theory of doubly curved shallow shells.

5. Design and detailing of folded plates with numerical examples Design and Detailing of simple shell problems – spherical domes, water tanks, barrel vaults and hyperbolic paraboloid roofs

REFERENCE BOOKS:
1. Timosheko, S. and Woinowsky-Krieger, W., “Theory of Plates and Shells” 2nd Edition, McGraw-Hill Co., New York, 1959
2. Ramaswamy G.S. – “Design and Constructions of Concrete Shell Roofs” – CBS Publishers and Distributors – New Delhi – 1986.
3. Ugural, A. C. “Stresses in Plates and Shells”, 2nd edition, McGraw-Hill, 1999.
4. R. Szilard, “Theory and analysis of plates – classical and numerical methods”, Prentice Hall,1994
5. Chatterjee.B.K. – “Theory and Design of Concrete Shell”, – Chapman & Hall, Newyork-third edition, 1988

ELECTIVE – II
RELIABILITY ANALYSIS OF STRUCTURES
Subject Code : 14CSE251

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

Objectives:
The objectives of this course is to make students to learn principles of reliability, To implement the Probability Concepts for the Reliability Analysis . To evaluate different methods of reliability analysis.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of reliability.
· Design and develop analytical skills.
· Summarize the Probability distributions
· Understands the concept of System reliability.

1. Preliminary Data Analysis: Graphical representation- Histogram, frequency polygon, Measures of central tendency- grouped and ungrouped data, measures of dispersion, measures of asymmetry. Curve fitting and Correlation: Fitting a straight line, curve of the form y = ab x , and parabola, Coefficient of correlation.

2. Probability Concepts: Random events-Sample space and events, Venn diagram and event space, Measures of probabilityinterpretation, probability axioms, addition rule, multiplication rule, conditional probability, probability tree diagram,
statistical independence, total probability theorem and Baye’s theorem.

3. Random variables: Probability mass function, probability density function, Mathematical expectation, Chebyshev’s theorem.
Probability distributions: Discrete distributions- Binomial and poison distributions, Continuous distributions- Normal, Log normal distributions.

4. Reliability Analysis: Measures of reliability-factor of safety, safety margin, reliability index, performance function and limiting state. Reliability Methods-First Order Second Moment Method (FOSM), Point Estimate Method (PEM), and Advanced First Order Second Moment Method (Hasofer-Lind’s method)

5. System reliability: Influence of correlation coefficient, redundant and non-redundant systems-series, parallel and combined systems, Uncertainty in reliability assessments- Confidence limits, Bayesian revision of reliability. Simulation Techniques: Monte Carlo simulation- Statistical experiments, sample size and accuracy, Generation of random numbers- random numbers with standard uniform distribution, continuous random variables, discrete random variables

REFERENCE BOOKS:
1. Ranganathan, R. (1999). “Structural Reliability Analysis and design”- Jaico publishing house, Mumbai, India.
2. Ang, A. H. S., and Tang, W. H. (1984). “Probability concepts in engineering planning and design”- Volume –I, John Wiley and sons, Inc, New York.
3. Ang, A. H. S., and Tang, W. H. (1984). “Probability concepts in engineering planning and design”-Volume –II, John Wiley and sons, Inc, New York.
4. Milton, E. Harr (1987). “Reliability based design in civil engineering”- Mc Graw Hill book Co.
5. Nathabdndu, T., Kottegoda, and Renzo Rosso (1998). Statistics, “Probability and reliability for Civil and Environmental Engineers”- Mc Graw Hill international edition, Singapore.
6. Achintya Haldar, and Sankaran Mahadevan (2000). “Probability, Reliability and Statistical methods in Engineering design”- John Wiley and Sons. Inc.
7. Thoft-christensen, P., and Baker, M., J., (1982), “Structural reliability theory and its applications”- Springer-Verlag, Berlin, NewYork.
8. Thoft-christensen, P., and Murotsu, Y. (1986). “Application of structural systems reliability theory”- Springer-Verlag, Berlin, NewYork.

DESIGN OF TALL STRUCTURES
Subject Code : 14CSE252

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

The objectives of this course is to make students to learn principles of stability of tall buildings, To design the tall buildings for earthquake and wind resistance. To evaluate the performance of tall structures for strength and stability.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of strength and stability
· Design and develop analytical skills.
· Summarize the behavior of various structural systems.
· Understand the concepts of P-Delta analysis.

1. Design Criteria: Design philosophy, loading, sequential loading, and materials – high performance concrete, fiber reinforced concrete, lightweight concrete, design mixes. Loading and Movement: Gravity loading: Dead and live load, methods of live load reduction, Impact, Gravity loading, Construction loads

2. Wind loading: static and dynamic approach, Analytical and wind tunnel experimentation method. Earthquake loading: Equivalent lateral force, modal analysis, combinations of loading, working stress design, Limit state design, Plastic design.

3. Behavior of Various Structural Systems: Factors affecting growth, Height and structural form; High rise behavior, Rigid frames, braced frames, in-filled frames, shear walls, coupled shear walls, wall-frames, tubular, cores, Futigger – braced and hybrid mega system.

4. Analysis and Design: Modeling for approximate analysis, accurate analysis and reduction techniques, analysis of building as total structural system considering overall integrity and major subsystem interaction, analysis for member forces; drift and
twist, computerized general three dimensional analyses. .

5. Stability of Tall Buildings: Overall buckling analysis of frames, wall frames, approximate methods, second order effects of gravity of loading, P-Delta analysis, simultaneous first order and P-Delta analysis, Transnational, Torsional instability, out of plum effects, stiffness of member in stability, effect of foundation rotation. Structural elements: sectional shapes, properties and resisting capacities, design, deflection, cracking, pre-stressing, shear flow. Design for differential movement, creep and shrinkage effects, temperature effects and fire

REFERENCE BOOKS:
1. Taranath B.S, “Structural Analysis and Design of Tall Buildings”- McGraw Hill
2. Wilf gang Schuller, “High rise building structures”- John Wiley
3. Bryan Stafford Smith & Alexcoull, “Tall building structures Analysis and Design”- John Wiley
4. T.Y Lin & D.Stotes Burry, “Structural concepts and system for Architects and Engineers”- John Wiley
5. Lynn S.Beedle, “Advances in Tall Buildings”- CBS Publishers and Distributors.
6. Dr. Y.P. Gupta – Editor, “Proceedings National Seminar on High Rise Structures- Design and Construction practices for middle level cities”- New Age International Limited.

MASONRY STRUCTURES
Subject Code : 14CSE253

IA Marks : 50
No. of Lecture Hrs./ Week : 04 Exam Hrs : 03
Total No. of Lecture Hrs. : 50 Exam Marks : 100

The objectives of this course is to make students to learn performance of masonry structures, To design the masonry structures for earthquake resistance. To evaluate the strength and stability of the masonry structures.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of problem solving skills.
· Understand the principles of design and construction of masonry structures
· Design and develop analytical skills.
· Summarize the masonry Characteristics.
· Evaluate the strength and stability of the masonry structures.

1. Introduction, Masonry units, materials and types: History of masonry Characteristics of Brick, stone, clay block, concrete block, stabilized mud block masonry units – strength, modulus of elasticity and water absorption. Masonry materials – Classification and properties of mortars, selection of mortars.

2. Strength of Masonry in Compression: Behaviour of Masonry under compression, strength and elastic properties, influence of masonry unit and mortar characteristics, effect of masonry unit height on compressive strength, influence of masonry bonding patterns on strength, prediction of strength of masonry in Indian context, Failure theories of masonry under compression. Effects of slenderness and eccentricity, effect of rate of absorption, effect of curing, effect of ageing, workmanship on compressive strength.

3. Flexural and shear bond, flexural strength and shear strength: Bond between masonry unit and mortar, tests for determining flexural and shear bond strengths, factors affecting bond strength, effect of bond strength on compressive strength, orthotropic strength properties of masonry in flexure, shear strength of masonry, test procedures for evaluating flexural and shear strength.

4. Design of load bearing masonry buildings: Permissible compressive stress, stress reduction and shape reduction factors, increase in permissible stresses for eccentric vertical and lateral loads, permissible tensile and shear stresses, Effective height of walls and columns, opening in walls, effective length, effective thickness, slenderness ratio, eccentricity, load dispersion, arching action, lintels; Wall carrying axial load, eccentric load with different eccentricity ratios, wall with openings,
freestanding wall; Design of load bearing masonry for buildings up to 3 to 8 storeys using BIS codal provisions.

5. Earthquake resistant masonry buildings: Behaviour of masonry during earthquakes, concepts and design procedure for earthquake resistant masonry, BIS codal provisions.Masonry arches, domes and vaults: Components and classification of masonry arches, domes and vaults, historical buildings, construction procedure.

REFERENCE BOOKS:
1. Hendry A.W., “Structural masonry”- Macmillan Education Ltd., 2nd edition
2. Sinha B.P & Davis S.R., “Design of Masonry structures”- E & FN Spon
3. Dayaratnam P, “Brick and Reinforced Brick Structures”- Oxford & IBH
4. Curtin, “Design of Reinforced and Prestressed Masonry”- Thomas Telford
5. Sven Sahlin, “Structural Masonry”-Prentice Hall
6. Jagadish K S, Venkatarama Reddy B V and Nanjunda Rao K S, “Alternative Building Materials and Technologies”- New Age International, New Delhi & Bangalore
7. IS 1905, BIS, New Delhi.
8. SP20(S&T),New Delhi

STRUCTURAL ENGINEERING LAB-2
Subject Code : 14CSE26

IA Marks : 25
No. of Lab Hrs./ Week : 03 Exam Hrs : 03
Total No. of Lab Hrs. : 48 Exam Marks :50

The objectives of this course is to make students to learn the soft wares for structural analysis and design, To investigate the performance of structures for static and dynamic forces.

Course Outcomes: On completion of this course, students are able to
· Achieve Knowledge of design and development of programming skills.
· Understand the principles of structural analysis and design
· Design and develop analytical skills.
· Summerize the performance of structures for static and dynamic forces..

1. Static and Dynamic analysis of Building structure using software (ETABS / STAADPRO) 12 Hrs
2. Design of RCC and Steel structure using software (ETABS / STAADPRO) 12 Hrs
3. Analysis of folded plates and shells using software. 12 Hrs
4. Preparation of EXCEL sheets for structural design. 12 Hrs

 

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